today, the work begins for the president's second term. >> gum, lip gloss and cell phones. average teens and tweens, right. we also have some astonishing video from overnight. a terrifying moment during the afternoon commute. this woman here, she faints right on to the track. look at that. oh. she's okay. but wait until you hear how she was rescued. wow. >> it's scary to watch. a real hero there. and we're so excited. jennifer lopez is taking over our second hour. you do not want to miss that. it's going to be spicy. >> all right. we might need some spice. we have some very cold temperatures, dangerous temperatures, actually, freezing much of the united states right now. sam is tracking the very latest for us. sam? >> yeah, anything that will warm you up. 19 states, by the way, from north dakota, to north carolina, all the way into maine, have these advisories, these windchill advisories. look at it. international falls at 38 below zero. that's the way it feels right now. charleston, came up to one degree from zero. over the past couple of hours. pittsburgh, good morning. it feels like it's seven below this morning. and new york, step outside.